Using Enhanced DSS Keys on Yealink IP Phones1Using Enhanced DSS Keys on Yealink IP PhonesThis guide provides detailed information for system administrators on how to set up enhancedDSS keys (EDK) on Yealink IP phones.The features introduced in this guide apply to Yealink SIP-T54S, SIP-T52S, SIP-T48G/S,SIP-T46G/S, SIP-T42G/S, SIP-T41P/S, SIP-T40P, SIP-T40G, SIP-T29G, SIP-T27P/G, SIP-T23P/G,SIP-T21(P) E2, SIP-T19(P) E2 and CP860 IP phones running firmware version 81 or later.IntroductionEnhanced DSS Keys (EDK) enables users to customize the functions of a phone’s DSS keys (linekeys, programmable keys and ext keys) and assign functions to custom soft keys. You can useEDK to assign frequently-used function to DSS keys and custom soft keys or to create menushortcuts to frequently-used phone settings as needed.The following shows the line keys and soft keys on SIP-T46G IP phones:NoteApplication scenarios involve the following: Adding new DSS keys or soft keys to simplify the operation of common telephony tasksthat may need more than one key press with the default configuration. Removing certain default DSS keys or soft keys for the functions that may be redundantor never used.EDK provides a method of creating interactive macro call sequences that can be executed by theThe line keys are not applicable to SIP-T19(P) E2/CP860 IP phones. The ext keys are onlyapplicable to SIP-T54S/T52S/T48G/T48S/T46G/T46S/T29G/T27P/T27G IP phones. And tocustomize the functions for ext keys, you have to connect the expansion module to the IP phonein advance.